#64431D
Closest named color: Mud Brown (#60460F). oklch(41.2% 0.07 67.4), rgb(100, 67, 29).
Aa
White text reads best on this color (8.88:1).
About this color
#64431D is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 67°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.019 away. White text reads best on it, at 8.88:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #64431D |
| RGB | rgb(100, 67, 29) |
| HSL | hsl(32, 55%, 25%) |
| OKLCH | oklch(41.2% 0.07 67.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #64431D | 8.88:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #64431D | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #64431D text on white | 8.88:1 | AAA | Lc 90.2 | Preferred for body text |
| #64431D text on black | 2.36:1 | Fails | Lc -12.1 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E4D7CA
oklch(88.6% 0.023 67.5)
-
Step 300
300
#D3BCA5
oklch(80.9% 0.041 67.2)
-
Step 400
400
#BC9975
oklch(70.6% 0.065 67.3)
-
Step 500
500
#AB8051
oklch(63.1% 0.083 67.9)
-
Step 600
600
#966834
oklch(55.5% 0.09 67.3)
-
Step 700
700
#805726
oklch(49.1% 0.084 68.3)
-
Step 800
800 (this color)
#64431D
oklch(41.2% 0.07 67.4)
-
Step 900
900
#553C20
oklch(37.8% 0.055 68)
-
Step 950
950
#322313
oklch(27% 0.035 67.2)
#64431D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4E4519 | 0.042 |
| Deuteranopia (no green cones) | #564D1E | 0.037 |
| Tritanopia (no blue cones) | #6D3B3B | 0.056 |
| Achromatopsia (no color) | #4A4A4A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64431D
#64431D
oklch(41.2% 0.07 67.4)
- #294E6F
#294E6F
oklch(41.2% 0.07 247.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64431D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.019
- Green Brown #544E03 ΔE 0.052
- Olive Brown #645403 ΔE 0.058
- Purple Brown #673A3F ΔE 0.062
- Milk Chocolate #7F4E1E ΔE 0.063
- Chestnut #742802 ΔE 0.066
- Medium Brown #7F5112 ΔE 0.069
- Saddle Brown #8B4513 ΔE 0.077
Use #64431D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.